Works by Nagai, Masahiko

Results: 44

Monitoring Coexisting Rapid Small-Scale and Large-Scale Gold Mining Developments Using Planet Smallsats Constellations.

Published in:

Mining, 2022, v. 2, n. 3, p. 566, doi. 10.3390/mining2030030

By:

Kimijima, Satomi;
Nagai, Masahiko;
Sakakibara, Masayuki

Publication type:

Article

Influence of surface height variance on distribution of ground control points.

Published in:

Journal of Applied Remote Sensing, 2014, v. 8, p. 1, doi. 10.1117/1.JRS.8.083684

By:

Phetcharat, Sudniran;
Nagai, Masahiko;
Tipdecho, Taravudh

Publication type:

Article

Synergistic Impacts of Land Deformation and Rapid Socio-Ecological Changes on Disaster Risk in Indonesian Alluvial Plains Using Multiple Satellite Datasets.

Published in:

Remote Sensing, 2025, v. 17, n. 9, p. 1514, doi. 10.3390/rs17091514

By:

Kimijima, Satomi;
Nagai, Masahiko;
Wani, Zahid Mushtaq;
Bachriadi, Dianto

Publication type:

Article

Adapting the High-Resolution PlanetScope Biomass Model to Low-Resolution VIIRS Imagery Using Spectral Harmonization: A Case of Grassland Monitoring in Mongolia.

Published in:

Remote Sensing, 2025, v. 17, n. 8, p. 1428, doi. 10.3390/rs17081428

By:

Jargalsaikhan, Margad-Erdene;
Nagai, Masahiko;
Tumendemberel, Begzsuren;
Dashdondog, Erdenebaatar;
Katiyar, Vaibhav;
Ichikawa, Dorj

Publication type:

Article

Aboveground Biomass Estimation and Time Series Analyses in Mongolian Grasslands Utilizing PlanetScope Imagery.

Published in:

Remote Sensing, 2024, v. 16, n. 5, p. 869, doi. 10.3390/rs16050869

By:

Jargalsaikhan, Margad-Erdene;
Ichikawa, Dorj;
Nagai, Masahiko;
Indree, Tuvshintogtokh;
Katiyar, Vaibhav;
Munkhtur, Davaagerel;
Dashdondog, Erdenebaatar

Publication type:

Article

Monitoring Mining-Induced Geo-Hazards in a Contaminated Mountainous Region of Indonesia Using Satellite Imagery.

Published in:

Remote Sensing, 2023, v. 15, n. 13, p. 3436, doi. 10.3390/rs15133436

By:

Kimijima, Satomi;
Nagai, Masahiko

Publication type:

Article

High Spatiotemporal Flood Monitoring Associated with Rapid Lake Shrinkage Using Planet Smallsat and Sentinel-1 Data.

Published in:

Remote Sensing, 2023, v. 15, n. 4, p. 1099, doi. 10.3390/rs15041099

By:

Kimijima, Satomi;
Nagai, Masahiko

Publication type:

Article

Distribution of Enhanced Potentially Toxic Element Contaminations Due to Natural and Coexisting Gold Mining Activities Using Planet Smallsat Constellations.

Published in:

Remote Sensing, 2023, v. 15, n. 3, p. 861, doi. 10.3390/rs15030861

By:

Kimijima, Satomi;
Nagai, Masahiko;
Sakakibara, Masayuki

Publication type:

Article

Development and Utilization of a Mirror Array Target for the Calibration and Harmonization of Micro-Satellite Imagery.

Published in:

Remote Sensing, 2022, v. 14, n. 22, p. 5717, doi. 10.3390/rs14225717

By:

Ichikawa, Dorj;
Nagai, Masahiko;
Tamkuan, Nopphawan;
Katiyar, Vaibhav;
Eguchi, Tsuyoshi;
Nagai, Yumiko

Publication type:

Article

Coastal Vulnerability Assessment of Bali Province, Indonesia Using Remote Sensing and GIS Approaches.

Published in:

Remote Sensing, 2022, v. 14, n. 17, p. 4409, doi. 10.3390/rs14174409

By:

Hastuti, Amandangi Wahyuning;
Nagai, Masahiko;
Suniada, Komang Iwan

Publication type:

Article

Investigation of Cultural–Environmental Relationships for an Alternative Environmental Management Approach Using Planet Smallsat Constellations and Questionnaire Datasets.

Published in:

Remote Sensing, 2022, v. 14, n. 17, p. 4249, doi. 10.3390/rs14174249

By:

Kimijima, Satomi;
Nagai, Masahiko;
Sakakibara, Masayuki;
Jahja, Mohamad

Publication type:

Article

Near-Real-Time Flood Mapping Using Off-the-Shelf Models with SAR Imagery and Deep Learning.

Published in:

Remote Sensing, 2021, v. 13, n. 12, p. 2334, doi. 10.3390/rs13122334

By:

Katiyar, Vaibhav;
Tamkuan, Nopphawan;
Nagai, Masahiko

Publication type:

Article

From Guest Editors.

Published in:

International Journal of Geoinformatics, 2014, v. 10, n. 1, p. c

By:

Masahiko Nagai

Publication type:

Article

Characterizing Time-Series Roving Artisanal and Small-Scale Gold Mining Activities in Indonesia Using Sentinel-1 Data.

Published in:

International Journal of Environmental Research & Public Health, 2022, v. 19, n. 10, p. 6266, doi. 10.3390/ijerph19106266

By:

Kimijima, Satomi;
Sakakibara, Masayuki;
Nagai, Masahiko

Publication type:

Article

Investigation of Long-Term Roving Artisanal and Small-Scale Gold Mining Activities Using Time-Series Sentinel-1 and Global Surface Water Datasets.

Published in:

International Journal of Environmental Research & Public Health, 2022, v. 19, n. 9, p. 5530, doi. 10.3390/ijerph19095530

By:

Kimijima, Satomi;
Sakakibara, Masayuki;
Nagai, Masahiko

Publication type:

Article

Detection of Artisanal and Small-Scale Gold Mining Activities and Their Transformation Using Earth Observation, Nighttime Light, and Precipitation Data.

Published in:

International Journal of Environmental Research & Public Health, 2021, v. 18, n. 20, p. 10954, doi. 10.3390/ijerph182010954

By:

Kimijima, Satomi;
Sakakibara, Masayuki;
Nagai, Masahiko

Publication type:

Article

Time-Series Assessment of Camp-Type Artisanal and Small-Scale Gold Mining Sectors with Large Influxes of Miners Using LANDSAT Imagery.

Published in:

International Journal of Environmental Research & Public Health, 2021, v. 18, n. 18, p. 9441, doi. 10.3390/ijerph18189441

By:

Kimijima, Satomi;
Sakakibara, Masayuki;
Nagai, Masahiko;
Gafur, Nurfitri Abdul

Publication type:

Article

Trigeminal somatosensory evoked potentials before, during and after an inferior alveolar nerve block in normal subjects.

Published in:

Psychiatry & Clinical Neurosciences, 1997, v. 51, n. 4, p. 241, doi. 10.1111/j.1440-1819.1997.tb02591.x

By:

NARITA, YUGO;
NAGAI, MASAHIKO;
KUZUHARA, SHIGEKI

Publication type:

Article

The effectiveness of laboratory-scale hybrid constructed wetland wastewater treatment plant model in treating.

Published in:

Ecological Engineering & Environmental Technology (EEET), 2025, v. 26, n. 6, p. 205, doi. 10.12912/27197050/204179

By:

Harmayani, Kadek Diana;
Agung Gede Wiranata Baskhara, I. Gusti;
Pertiwi Jaya, Ni Made;
Rai Widhiawati, Ida Ayu;
Nagai, Masahiko;
Mahendra, Daniel Rizal;
Fransiska Hutagalung, Debora Sofia;
Supriyani, Nyoman Dewi;
Ary Wiratama, Putu Agus;
Satyawati, Kadek Laksmi

Publication type:

Article

A remote-sensing-based vegetative technique for flood hazard mitigation of Jiadhal basin, India.

Published in:

Natural Hazards, 2016, v. 83, n. 1, p. 411, doi. 10.1007/s11069-016-2321-1

By:

Bormudoi, Arnob;
Nagai, Masahiko

Publication type:

Article

Utilizing Historical Satellite Data for Spatiotemporal Detection of Disaster-related Anomalies.

Published in:

Philippine Engineering Journal, 2023, v. 44, n. 2, p. 25

By:

Carcellar III, Bienvenido G.;
Masahiko Nagai

Publication type:

Article

Mechanism of the Rapid Shrinkage of Limboto Lake in Gorontalo, Indonesia.

Published in:

Sustainability (2071-1050), 2020, v. 12, n. 22, p. 9598, doi. 10.3390/su12229598

By:

Kimijima, Satomi;
Sakakibara, Masayuki;
Amin, Abd. Kadir Mubarak A;
Nagai, Masahiko;
Indriati Arifin, Yayu

Publication type:

Article

Human Mobility Analysis for Extracting Local Interactions under Rapid Socio-Economic Transformation in Dawei, Myanmar.

Published in:

Sustainability (2071-1050), 2017, v. 9, n. 9, p. 1598, doi. 10.3390/su9091598

By:

Satomi Kimijima;
Masahiko Nagai

Publication type:

Article

Exploring Land Use and Land Cover of Geotagged Social-Sensing Images Using Naive Bayes Classifier.

Published in:

Sustainability (2071-1050), 2016, v. 8, n. 9, p. 921, doi. 10.3390/su8090921

By:

Sitthi, Asamaporn;
Masahiko Nagai;
Sarawut Ninsawat;
Dailey, Matthew

Publication type:

Article

Assessment of the Impacts of Urbanization on Landslide Susceptibility in Hakha City, a Mountainous Region of Western Myanmar.

Published in:

Land (2012), 2023, v. 12, n. 5, p. 1036, doi. 10.3390/land12051036

By:

Thein, Kyaw Swar Myint;
Nagai, Masahiko;
Nakamura, Tai;
Phienwej, Noppadol;
Pal, Indrajit

Publication type:

Article

Soil Moisture Change Detection with Sentinel-1 SAR Image for Slow Onsetting Disasters: An Investigative Study Using Index Based Method.

Published in:

Land (2012), 2023, v. 12, n. 2, p. 506, doi. 10.3390/land12020506

By:

Bormudoi, Arnob;
Nagai, Masahiko;
Katiyar, Vaibhav;
Ichikawa, Dorj;
Eguchi, Tsuyoshi

Publication type:

Article

Predicting Rice Pest Population Occurrence with Satellite-Derived Crop Phenology, Ground Meteorological Observation, and Machine Learning: A Case Study for the Central Plain of Thailand.

Published in:

Applied Sciences (2076-3417), 2019, v. 9, n. 22, p. 4846, doi. 10.3390/app9224846

By:

Skawsang, Sukij;
Nagai, Masahiko;
K. Tripathi, Nitin;
Soni, Peeyush

Publication type:

Article

Forecast Customization System (FOCUS): A Multimodel Ensemble-Based Seasonal Climate Forecasting Tool for the Homogeneous Climate Zones of Myanmar.

Published in:

Advances in Meteorology, 2019, p. 1, doi. 10.1155/2019/4957127

By:

Dash, Itesh;
Nagai, Masahiko;
Pal, Indrajit

Publication type:

Article

Simulation of GNSS Availability in Urban Environments Using a Panoramic Image Dataset.

Published in:

International Journal of Navigation & Observation, 2017, p. 1, doi. 10.1155/2017/8047158

By:

Tongleamnak, Sakpod;
Nagai, Masahiko

Publication type:

Article

UAV-Based Sensor Web Monitoring System.

Published in:

International Journal of Navigation & Observation, 2012, p. 1, doi. 10.1155/2012/858792

By:

Nagai, Masahiko;
Witayangkurn, Apichon;
Kiyoshi Honda;
Ryosuke Shibasaki

Publication type:

Article

Coherence and Intensity Statistical Mapping of Earthquake Affected Areas using Sentinel-1 Images.

Published in:

ISPRS Annals of Photogrammetry, Remote Sensing & Spatial Information Sciences, 2024, v. 10, n. 3, p. 347, doi. 10.5194/isprs-annals-X-3-2024-347-2024

By:

Reyes, Rosalie;
Nagai, Masahiko

Publication type:

Article

Identifying Damaged Areas Caused by the Noto Peninsula 2024 Earthquake Using Change Detection from Optical Satellite Images.

Published in:

ISPRS Annals of Photogrammetry, Remote Sensing & Spatial Information Sciences, 2024, v. 10, n. 3, p. 277, doi. 10.5194/isprs-annals-X-3-2024-277-2024

By:

Olivar, Fritz Rhaem M.;
Reyes, Rosalie B.;
Nagai, Masahiko

Publication type:

Article

Mapping of Shorea robusta Forest Using Time Series MODIS Data.

Published in:

Forests (19994907), 2017, v. 8, n. 10, p. 384, doi. 10.3390/f8100384

By:

Ghimire, Bhoj Raj;
Tripathi, Nitin Kumar;
Masahiko Nagai;
Apichon Witayangkurn;
Mishara, Bhogendra;
Nophea Sasaki

Publication type:

Article

Spatial Interrelationships of Quality of Life with Land Use/Land Cover, Demography and Urbanization.

Published in:

Social Indicators Research, 2017, v. 132, n. 3, p. 1193, doi. 10.1007/s11205-016-1336-z

By:

Bhatti, Saad;
Tripathi, Nitin;
Nagai, Masahiko;
Nitivattananon, Vilas

Publication type:

Article

Bangkok CCTV Image through a Road Environment Extraction System Using Multi-Label Convolutional Neural Network Classification.

Published in:

ISPRS International Journal of Geo-Information, 2019, v. 8, n. 3, p. 128, doi. 10.3390/ijgi8030128

By:

Sirirattanapol, Chairath;
NAGAI, Masahiko;
Witayangkurn, Apichon;
Pravinvongvuth, Surachet;
Ekpanyapong, Mongkol

Publication type:

Article

Agent-Based Modeling of Taxi Behavior Simulation with Probe Vehicle Data.

Published in:

ISPRS International Journal of Geo-Information, 2018, v. 7, n. 5, p. 177, doi. 10.3390/ijgi7050177

By:

Ranjit, Saurav;
Witayangkurn, Apichon;
Nagai, Masahiko;
Shibasaki, Ryosuke

Publication type:

Article

Forecasting Transplanted Rice Yield at the Farm Scale Using Moderate-Resolution Satellite Imagery and the AquaCrop Model: A Case Study of a Rice Seed Production Community in Thailand.

Published in:

ISPRS International Journal of Geo-Information, 2018, v. 7, n. 2, p. 73, doi. 10.3390/ijgi7020073

By:

Prathumchai, Kulapramote;
Nagai, Masahiko;
Tripathi, Nitin K.;
Sasaki, Nophea

Publication type:

Article

Fusion of Multi-Temporal Interferometric Coherence and Optical Image Data for the 2016 Kumamoto Earthquake Damage Assessment.

Published in:

ISPRS International Journal of Geo-Information, 2017, v. 6, n. 7, p. 188, doi. 10.3390/ijgi6070188

By:

Tamkuan, Nopphawan;
Masahiko Nagai

Publication type:

Article

Reviews of Geospatial Information Technology and Collaborative Data Delivery for Disaster Risk Management.

Published in:

ISPRS International Journal of Geo-Information, 2015, v. 4, n. 4, p. 1936, doi. 10.3390/ijgi4041936

By:

Hiroyuki Miyazaki;
Masahiko Nagai;
Ryosuke Shibasaki

Publication type:

Article

Mangrove stilt root morphology modeling for estimating hydraulic drag in tsunami inundation simulation.

Published in:

Trees: Structure & Function, 2013, v. 27, n. 1, p. 141, doi. 10.1007/s00468-012-0782-8

By:

Ohira, Wataru;
Honda, Kiyoshi;
Nagai, Masahiko;
Ratanasuwan, Anuchit

Publication type:

Article

Integration of Disaster Information with Satellite Imagery Using Ontology.

Published in:

Transactions of the Japan Society of Aeronautical & Space Sciences, Aerospace Technology Japan, 2014, v. 12, n. ists 29, p. 1

By:

Ashik RAJBHNADARI;
Masahiko NAGAI;
Masafumi ONO;
Ryosuke SHIBASAKI

Publication type:

Article

Carbon Stock Assessment Using Remote Sensing and Forest Inventory Data in Savannakhet, Lao PDR.

Published in:

Remote Sensing, 2014, v. 6, n. 6, p. 5452, doi. 10.3390/rs6065452

By:

Vicharnakorn, Phutchard;
Shrestha, Rajendra P.;
Nagai, Masahiko;
Salam, Abdul P.;
Kiratiprayoon, Somboon

Publication type:

Article

Extraction of Mangrove Biophysical Parameters Using Airborne LiDAR.

Published in:

Remote Sensing, 2013, v. 5, n. 4, p. 1787, doi. 10.3390/rs5041787

By:

Wannasiri, Wasinee;
Nagai, Masahiko;
Honda, Kiyoshi;
Santitamnont, Phisan;
Miphokasap, Poonsak

Publication type:

Article

Effects of Application of Platelet Releasate in Periodontal Regeneration Therapy.

Published in:

International Journal of Periodontics & Restorative Dentistry, 2005, v. 25, n. 6, p. 570

By:

Nagai, Masahiko;
Sato, Soh;
Kamoi, Hisahiro;
Kamoi, Kyuichi

Publication type:

Article